function Electrodes = GetElectrodes

Subjects;
for s = fieldnames(subject)'
    subj = cell2mat(s);
    for e = {subject.(subj).Electrodes.Label}
        elec = cell2mat(e);
        elecf = elec;
        elecf(elecf=='+') = '_';
        Electrodes.(subj).(elecf) = elec;
    end
end

save('Electrodes.mat', '-v7.3', 'Electrodes');

end